Some of these features are enabled for any user (Standard unlicensed edition). Others require
special user account privileges or a Welch Allyn service contract (Gold edition). If you require gold-
level support for a Welch Allyn product, please contact Welch Allyn technical support.
Battery performance
About the batteries
The device uses a rechargeable, 2-cell, Lithium-ion smart battery supplemented by an optional,
rechargeable, 9-cell Lithium-ion battery in the Accessory Power Management (APM) work surface.
Internal circuitry enables the batteries to report their condition to the device and the APM work
surface. The device displays the battery status via the LED power indicator, icons on the screen, and
status messages appearing in the Device Status area of the display. The APM battery indicates the
percent of total charge to user on the front of the work surface as follows:
Number of LEDs Percent of total charge
1 0 – 19
2 20 – 39
3 40 – 59
4 60 – 79
5 80 – 95
6 96 – 100
The battery status indicator on the device displays the remaining total charge of both batteries
combined if the configuration has both an internal battery and an extended battery in the APM.
Battery information may be collected using the service tool.
New batteries are shipped from the manufacturer with a 40 percent charge to extend shelf life.
After installing a new battery in the device, you must plug the device into AC power to wake up the
battery. If AC power is not applied to the device, the new battery appears discharged.
The Device Status area displays a low-battery status message when 30 minutes of power remain
and again when 5 minutes remain. The 30-minute message is a very low priority technical alarm.
The alarm message appears on a cyan background in the Device Status area. This alarm is
dismissable by the user, and all functions of the device remain available. The 5-minute message is a
high priority technical alarm that appears on a red background in the Device Status area, is not
dismissable, and prevents acquiring vitals measurements or performing any other function until the
device is plugged in to AC power.
If AC power is not applied to the device after it triggers the high priority technical alarm, the device
will shut down at or close to 0 minutes of remaining battery charge.
Battery charging is provided by the device’s power supply. The power reserve threshold is
determined by the device's software.
For a complete list of battery specifications, see the device’s Instructions for use.
16 Overview Welch Allyn® Connex® Spot Monitor
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